Sweetwater  Mine, Missouri, USA - Colorless to very pale yellowish translucent semi-lustrous prismatic crystals of calcite to 3.7 cm in length set attractively over the top of a 9.5 x 5.5 x 5.0 cm pyrite, chalcopyrite, and dolomite crystal matrix. Very minimal micro-cleaving present, this is in very good condition and sits very nicely by itself for display.

Brushy Creek Mine, Viburnum Trend, Reynolds Co., Missouri, USA - Various yellowish translucent double terminated calcite crystal to 1. cm in length show upon a breccia matrix with crude iridescent purplish blue crystals of chalcopyrite to 0.3-0.4 cm. In very good condition as seen. Size: 13 x 7.5 x 2.0 cm.

Elmwood mine, Smith Co., Tennessee, USA - Bright gemmy biterminated calcite crystal of 4 cm in size stands on a crystalline matrix of sphalerite ! The sphalerite crystals are up to 1 cm. Overall size is 6x6x4.5 cm

Fletcher mine, Viburnum Trend, Reynolds Co., Missouri, USA - A classic calcite specimen from this locality. The calcite is biterminated and 2.8 cm in size and sits on a matrix formed by a rich coating of chalcopyrites and dolomite with siegenite ! Nice combination specimen of 3.5x3.5x3 cm

Sweetwater Mine, Viburnum Trend District, Reynolds Co., Missouri, USA - Very nice cluster of terminated calcite crystals on a coat of tiny dolomites and chalcopyrites. The calcite are all terminated and 2.5-3.5 cm in size. Overall size is 8x2.5x1.8 cm

Sweetwater Mine, Viburnum Trend District, Reynolds Co., Missouri, USA - Well shaped bi-terminated calcite crystal of 3.7 cm stands on this matrix coated by dolomite and chalcopyrite crystals. Nice rock of 8x3.7x1.8 cm

OSILO QUARRY, SASSARI, SARDEGNA, ITALY - Nice pink facolite crystals on calcite and quartz coating. The facolites are up to 0.6 cm. Overall size is 5x4x3 cm

Brushy Creek Mine, Viburnum Trend, Reynolds Co., Missouri, USA - Yellowish translucent double terminated calcite crystal 5.5 cm in length set upon a breccia matrix with crude iridescent purplish blue crystals of chalcopyrite to 1.0 cm. In very good condition as seen and sits perfectly for display by itself. Size: 10.0 x 6.5 x 6.0 cm.

Nikolayevskiy Mine, Dalnegorsk, Russia - There are various pinkish nailhead manganocalcite crystals up to 4 cm in size ! There are also many others some of them biterminated all around this rock. Nice specimen of 6x5x3.2 cm in size

Yao Gan Xian mine, Hunan Prov., China - Nice large specimen hosting various minerals. There is a nice amount of light blue fluorite crystals of 1.5 cm in size, forming a cluster, showing cubo-octahedral shape and nicely located close to some centimetric quartz crystals. There are various sparse fluorite cubes all around together with calcite and bright arsenopyrites to the size of 0.4 cm. Nice combo of 15.5x8x4 cm in size